Penny spinner with built in bearing
pinshape
https://www.youtube.com/watch?v=iys2rFDl1Rg My further experimentation with embedding 3D printed bearings has led me to this, a spinner weighted with pennies. It is recommended to lubricate the bearing in the middle with graphite to improve spin. Be sure to experiment with horizontal compensation in your slicers to make sure pieces don't lock up. For assembly instructions see attached video. Included is the 608 sized 3D printed bearing I used as a template so that you can create your own spinners, or whatever, with it.
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